mciclassic.com - robtex.com
mciclassic.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.109.37.225🇺🇸 UNSPECIFIED160.0.0.0/3 | ||||||
| NS | omzdns9.verizon.com ⭐ | ||||||
| NS | auth-ns1.verizonbusiness.com | ||||||
| A | 199.249.19.10🇺🇸 AS3378199.249.19.0/24 | ||||||
| PTR | auth-ns1.verizonbusiness.com | ||||||
| NS | auth-ns2.verizonbusiness.com | ||||||
| A | 199.249.18.65🇺🇸 AS3378199.249.18.0/24 | ||||||
| PTR | auth-ns2.verizonbusiness.com | ||||||
| SOA | omzdns9.verizon.comhostmaster@mci.com serial=1184 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778434076 | ||||||
Same first word
mciclassic.com |
DNS History
5 records (4 active, 1 former)
●NSauth-ns1.verizonbusiness.com2015-05-23 → 2026-05-10 · 3 obs
● 2015-05-23 12:32:02
● 2026-05-10 17:32:56
●NSauth-ns2.verizonbusiness.com2015-05-23 → 2026-05-10 · 3 obs
● 2015-05-23 12:32:02
● 2026-05-10 17:32:56
○NSomzdns3.vzbi.com2015-05-23 → 2016-04-12 · 5 obs
● 2015-05-23 12:32:02
● 2016-04-12 08:36:00
○ 2016-11-26 12:32:34
○ 2026-05-10 17:32:56
●NSomzdns9.verizon.com2016-11-26 → 2026-05-10 · 3 obs
● 2016-11-26 12:32:34
● 2026-05-10 17:32:56
●A164.109.37.2252015-05-23 → 2026-05-10 · 3 obs
● 2015-05-23 12:32:02
● 2026-05-10 17:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mciclassic.com | auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com | 2 records |
✅ Authoritative Response
Server:199.249.18.65
NS records: auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mciclassic.com (unsigned zone)
⏱️ Timing
Total: 471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.109.37.225 |
| NS | 2 | auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com |
| SOA | 1 | omzdns9.verizon.com hostmaster.mci.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com)
Analysis
IP Addresses
mciclassic.com points to a single IP address: 164.109.37.225.
Other host names such as networkmci.net, verizon.org.bt, internetmci.com, verizon.net.ki and mcipage.net share IPs with mciclassic.com.
Name Servers
mciclassic.com is delegated to three name servers: omzdns9.verizon.com, auth-ns1.verizonbusiness.com and auth-ns2.verizonbusiness.com.
mciclassic.com at least partially shares name servers with other domains, for example verizonbusiness.hm, verizonenterprise.com, verizonbusinessjobs.com, verizonbusiness.net and 47.162.in-addr.arpa.
These name servers are often used with the following name servers: ndcdns.vzbi.com, omzdns.vzbi.com, pdcdns.vzbi.com, auth01.ns.uu.net, auth50.ns.uu.net, auth61.ns.uu.net, auth200.ns.uu.net and auth210.ns.uu.net.
Host names with one IP number:
auth-ns1.verizonbusiness.com points to 199.249.19.10; auth-ns2.verizonbusiness.com points to 199.249.18.65.